.layer>header{
    width: 100%;
    height: 1.3rem;
    padding-top: 0.4rem;
    line-height: 1.3rem ;
    position: relative;
    font-size: 0.36rem;
    border:1px solid #eee;
    background-color: #fff;
}
.layer>header i{
    position: absolute;
    width: 0.6rem;
    height: 0.9rem;
    left: 3%;
    top: 35%;
    background: url("../img/left.png") no-repeat center;
    -webkit-background-size: 100%;
    background-size: 100%;
}
.layer>header em{
    position: absolute;
    right: 3%;
    top: 12%;
    width: 0.6rem;
    height: 100%;
    background: url("../img/comment.png") no-repeat center;
    -webkit-background-size: 100%;
    background-size: 100%;
}
.layer>header h3{
    text-align: center;
}